
#define NO_OPENSSL
#include <QApplication>
#include "liveMedia/FramedSource.hh"
#include "liveMedia/RTSPServer.hh"

class VideoStreamSource : public FramedSource {
public:
    static VideoStreamSource* createNew(UsageEnvironment& env) {
        return new VideoStreamSource(env);
    }
    virtual void doGetNextFrame() {
        // 将视频数据帧复制到fTo处并设置fFrameSize和fNumTruncatedBytes，然后调用afterGetting()函数通知视频帧可用。
        if (condition1 && condition2) {
            memcpy(fTo, fVideoFrame, fVideoFrameSize);
            afterGetting(this);
        } else {
            handleClosure(this);
        }
    }
protected:
    VideoStreamSource(UsageEnvironment& env) : FramedSource(env) {
        // 初始化一些变量
    }
    virtual ~VideoStreamSource() {}
private:
    // 一些成员变量
    char* fVideoFrame;
    unsigned fVideoFrameSize;
};

class MyRTSPServer : public RTSPServer {
public:
    static MyRTSPServer* createNew(UsageEnvironment& env, Port outPort) {
        return createNew(env, outPort);
    }
protected:
    virtual ~MyRTSPServer() {}
    virtual ServerMediaSession* lookupSession(char const* streamName, Boolean isFirstLookup) {
        ServerMediaSession* session = RTSPServer::lookupSession(streamName, isFirstLookup);
        if (session == NULL) {
            // 创建一个新的会话以支持RTSP客户端请求的视频流
            session = ServerMediaSession::createNew(envir(), streamName);
            // 将视频帧添加到会话中
            VideoStreamSource* videoSource = VideoStreamSource::createNew(envir());
            session->addSubsession(MPEG4VideoStreamDiscreteFramer::createNew(envir(), videoSource, false));
            addServerMediaSession(session);
        }
        return session;
    }
};

int main(int argc, char *argv[]) {
    // 创建一个QT应用程序实例
    QCoreApplication app(argc, argv);
    UsageEnvironment env;
    // 创建一个RTSP服务器实例，并监听9090端口
        MyRTSPServer* rtspServer = MyRTSPServer::createNew(env, 9090);
    if (rtspServer == NULL) {
        qDebug() << "Failed to create RTSP server: " << env.getResultMsg() << endl;
        exit(1);
    }
        // 启动Qt事件循环
        return app.exec();
}
